Ranked by reported Q2 2026 13F market value
Share of total reported institutional value in MDU held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 27.4M | $580.1M | +6.4% | 13.087% | 0.01% |
| 2 | BARROW HANLEY MEWHINNEY & STRAUSS LLC | 13.1M | $276.9M | -5.1% | 6.247% | 0.84% |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | 12.7M | $269.2M | +1.3% | 6.073% | 0.01% |
| 4 | DIMENSIONAL FUND ADVISORS LP | 10.4M | $221.3M | +1.5% | 4.993% | 0.04% |
| 5 | EARNEST PARTNERS LLC | 9.7M | $206.3M | -1.6% | 4.654% | 0.74% |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | 9.4M | $199.7M | +2.9% | 4.505% | 0.00% |
| 7 | STATE STREET CORP | 7.4M | $157.4M | +5.5% | 3.529% | 0.00% |
| 8 | BANK OF AMERICA CORP /DE/ | 6.1M | $129.2M | -1.8% | 2.914% | 0.01% |
| 9 | SEI INVESTMENTS CO | 5.2M | $110.9M | -0.6% | 2.502% | 0.10% |
| 10 | MORGAN STANLEY | 4.1M | $86.7M | -3.2% | 1.955% | 0.00% |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | 3.6M | $75.4M | +1.8% | 1.700% | 0.00% |
| 12 | River Road Asset Management, LLC | 3.4M | $72.2M | -16.5% | 1.629% | 0.80% |
| 13 | WESTWOOD HOLDINGS GROUP INC | 3.2M | $68.3M | -9.0% | 1.542% | 0.51% |
| 14 | HITE Hedge Asset Management LLC | 3.1M | $66.5M | +102.4% | 1.501% | 3.64% |
| 15 | NORGES BANK | 2.6M | $55.9M | β | 1.260% | 0.01% |
| 16 | Bank of New York Mellon Corp | 2.3M | $49.4M | -1.4% | 1.115% | 0.01% |
| 17 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 2.2M | $47.4M | -1.3% | 1.070% | 0.01% |
| 18 | Invesco Ltd. | 2.0M | $43.4M | +8.9% | 0.980% | 0.00% |
| 19 | FRONTIER CAPITAL MANAGEMENT CO LLC | 2.0M | $42.2M | -20.7% | 0.951% | 0.39% |
| 20 | MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 2.0M | $41.5M | +8.5% | 0.935% | 0.05% |
| 21 | CITADEL ADVISORS LLC | 1.9M | $40.5M | +74.4% | 0.914% | 0.00% |
| 22 | US BANCORP \DE\ | 1.7M | $35.9M | -0.1% | 0.809% | 0.04% |
| 23 | NORTHERN TRUST CORP | 1.6M | $33.2M | +2.0% | 0.748% | 0.00% |
| 24 | JONES FINANCIAL COMPANIES LLLP | 1.5M | $32.6M | +7.9% | 0.713% | 0.01% |
| 25 | FIRST TRUST ADVISORS LP | 1.5M | $31.7M | +0.8% | 0.715% | 0.02% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in MDU β a direct measure of their conviction.
Filings activity in MDU during Q2 2026, grouped by how each filer changed its position.
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q2 2026 | 437 | +5.0% | 92.72% | +1.23 pp | $3.93B | +3.6% |
| Q1 2026 | 416 | +2.2% | 91.49% | 0.74 pp | $3.80B | +4.1% |
| Q4 2025 | 407 | +1.5% | 92.23% | +12.84 pp | $3.65B | +30% |
| Q3 2025 | 401 | +0.3% | 79.39% | +2.22 pp | $2.81B | +7.8% |
| Q2 2025 | 400 | +1.0% | 77.17% | 0.88 pp | $2.61B | 3.7% |
| Q1 2025 | 396 | +1.3% | 78.05% | +0.18 pp | $2.71B | 5.6% |
| Q4 2024 | 391 | 0.8% | 77.87% | 47.69 pp | $2.87B | 28% |
| Q3 2024 | 394 | β | 125.56% | β | $3.98B | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying MDU stock.
Based on Q2 2026 13F filings, institutional ownership of MDU Resources Group, Inc. stands at 92.7%, held across 437 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of MDU, with approximately 27,351,603 shares worth $0.58B as of Q2 2026.
Yes β 1 widely-followed marquee investor appear among the top 25 institutional holders of MDU, including CITADEL ADVISORS LLC.
Our composite Smart Money Score for MDU is 61 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
61 institutions opened new positions in MDU during Q2 2026, while 45 fully exited. 272 added to existing positions and 89 trimmed.
MDU institutional ownership rose by 1.23 percentage points quarter-over-quarter, with a net change of +21 holders.
The top 10 institutions account for 56.9% of all reported 13F value in MDU, and the top 25 account for 75.6%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
MDU Resources Group, Inc. (MDU) Institutional Ownership